Explanation

• Carbon dioxide (CO₂) — the main greenhouse gas causing global warming.

Additional information:

• Methane (CH₄) — potent, from livestock and fossil fuels.
• Nitrous oxide (N₂O) — from fertilizers and industry.
• Water vapor — natural, amplifies warming.
• Fluorinated gases — synthetic, very strong effect.

Explanation

• Surah Al-Baqarah is the longest chapter (surah) in the Holy Quran
• Chapter Number: 2nd chapter in the Quran.
• Meaning: "The Cow" or "The Heifer".
• Verse Count: 286 verses (ayat).
• Length: Spans about 2.5 parts (juz') of the Quran
• .Place of Revelation: Madinah. 
• It derives its name from the story of the cow (vv. 67-73).
• Verse 282, the longest verse, is known as 'āyatu d-dayn.
• It consists of 25,500 letters.
• The chapter has 40 Rukus.

Additional information:

• Surah Al-Kausar is the shortest surah of the Holy Quran.
• Surah Aal-e-Imran is the second-longest surah of the Holy Quran.

Last updated NA on 10-09-2026

Explanation

• Prophet Muhammad personally participated in 27 to 29 total military Ghazwat
• The battles led by the Holy Prophet (PBUH) are called Ghazwas.

Holy Prophet (PBUH) personally participated in about 9 of them

1. Badr (fought three times)
2. Uhud
3. Bani Mustalaq
4. Khandaq
5. Bani Quraizhah
6. Khayber
7. Fathu Makkah
8. Hunain
9. Taif

Last updated question NS on 10-09-2026

Explanation

• Urdu is the national language of Pakistan.
• Article 251: The 1973 Constitution of Pakistan formally declares Urdu as the national language

Additional information

• National Animal: Markhor
• National Tree: Deodar
• National Dish: Nihari
• National Fruit: Mango
• National Flower: Jasmine
• National Vegetable: Lady Finger (Okra)
• Field hockey is Pakistan's official national sport.

Last updated by NA on 09-09-2026

Explanation

• An input device is any hardware component used to send data, signals, and commands to a computer. 
• Keyboard: Used to type text and enter commands.
• Mouse: Used to control the cursor and select items.
• Microphone: Used to record sound.
• Scanner: Used to convert physical documents into digital file
  

Last updated by NA on 09-09-2026

Explanation

Lucknow Pact (December 1916) was an agreement between:

• Indian National Congress – headed by Bal Gangadhar Tilak
• All-India Muslim League – led by Muhammad Ali Jinnah

• Congress adopted the pact at Lucknow session on 29 December 1916.
• Muslim League approved it on 31 December 1916.

Last verified on 19-01-2026

Explanation

• Cache Memory — the buffer between CPU and RAM.

  • Stores frequently used data for quick CPU access
  • Faster but smaller than RAM
  • Falls between the CPU and main memory
  • Has levels (L1, L2, L3) — L1 is fastest/closest to CPU
  • Reduces memory access time, boosting performance

Additional information:

• RAM = the main memory itself
• ROM = read-only, holds firmware (BIOS)
• SRAM = a type used to build cache, not the buffer itself

Last updated 07-09-2026 by NA

Explanation

Azerbaijan Capital is Baku.

Azerbaijan Currency is Manat.

Azerbaijan official language is Azerbaijani.

Azerbaijan located is in Continent Asia.

Azerbaijan Primary Religion is Islam.

Azerbaijan Parliament called Melli Majlis.

Last verified on 07-03-2026

Explanation

• Total bones in adult human body = 206
• At birth = 270–300 bones (fuse to become 206)

The total bones of our body can be divided into:

• Axial skeleton = 80 bones
• Appendicular skeleton = 126 bones

Additional information:

• Newborn baby has 300 bones
• Longest bone = Femur
• Shortest bone = Stapes
• Bones in human skull = 22

Last verified on 30-03-2026

Explanation

MAN (Metropolitan Area Network): City or district coverage

• LAN (Local Area Network): Small area, e.g., home, office
• WAN (Wide Area Network): Covers countries or continents, e.g., Internet
• PAN (Personal Area Network): Very small area, e.g., devices connected via Bluetooth